28
Fläkt Woods
8666 GB 2010.06
Specifications are subject to alteration without notice
Installation and maintenance instructions
Control equipment
Heat exchanger
Circulation pump/start signal for heat exchanger is
connected according to table.
Component
Terminal block
Comment
Circulation pump CP1
(1-phase)
N
Start VVX (NO)
Potential free connection function
L
Start VVX (C)
Potential free connection function
PE
PE
Circulation pump CP1
(3-phase)
U
L1
V
L2
See Fig. 29
W
L3
PE
PE
Alarm
n/a*
Alarm CP2/DX
Potential free alarm input,
n/a*
supplied design NO
*) The wires are interchangeable
L3
L2
L1
HEATIN
G
N L C NO
NC NO
C
START VVX
PUMP/RUN IN
D
COOLIN
G
N L C NO
Fig. 29 a 1. Hot water, 2. Chilled water
Fig. 29 b
1
2
Connection 1-phase pumps
CP-Cooling
CP-Heating
Summary of Contents for eq Controls
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